12390390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4441}}^1$

素因数の和:4485

約数の個数: 48

約数和(自身を含む): 33261696

約数和(自身を除く): 20871306

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 4441, 8882, 13323, 22205, 26646, 39969, 44410, 66615, 79938, 133230, 137671, 199845, 275342, 399690, 413013, 688355, 826026, 1239039, 1376710, 2065065, 2478078, 4130130, 6195195, 12390390]

約数ペア:

[(1, 12390390), (2, 6195195), (3, 4130130), (5, 2478078), (6, 2065065), (9, 1376710), (10, 1239039), (15, 826026), (18, 688355), (30, 413013), (31, 399690), (45, 275342), (62, 199845), (90, 137671), (93, 133230), (155, 79938), (186, 66615), (279, 44410), (310, 39969), (465, 26646), (558, 22205), (930, 13323), (1395, 8882), (2790, 4441)]